<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			.warp {
				width: 100%;
				height: 315px;
				background-image: url(../../img/snow/header-bg.png);
				/* background-image: url(../../img/jianbian.jpg);
				background-repeat: repeat-y;
				background-size: 100%; */
			}
			.container {
				margin: 0 auto;
				width: 1200px;
				height: 100%;
				background-image: url(../../img/snow/con-bg.png),url(../../img/snow/snow-bg.png);
				background-repeat: no-repeat,repeat;
				background-position: 0px 204px;
				animation-name: snowdown;
				animation-duration: 8s;
				animation-iteration-count: infinite;
				animation-timing-function: linear;
			}
			@keyframes snowdown{
				/* from{background-position-y:204px , 0px ;} */
				to{background-position-y:204px , 1200px ;}
			}
		</style>
	</head>
	<body>
		<div class="warp">
			<div class="container">
			</div>
		</div>
	</body>
</html>
